Eyeglasses.



E. B. MBYRowITz. EYBGLASSES. ArrLIoATloN num un. 27, 1909.

APanama@ Dee. 21, 1909.

' of their correct positionl on the patiientsnosev 'UNITED sTA'rEs PATENT.' onirica.

EMIL is. MEYRowITz, or NEW YORK, N.. Y., 'AssieNoE To vTHE iviEYnoWI-Tz MANU- EAGTUBINGco., A conroEA'rIoN or NEW JERSEY.

Specification of Letters Patent. i Patented Dec. v21, 1909.

'Application tiled March 27, 1909. Serial No. 486,085.

To azz when a may concern:

B eit known that I, EMIL B. Miirnowrrz, a citizen of the United States, residing t.

the city of New York, in the borough o lilanhattanand State of New York, havev invented certain new and useful Improve` ments in Eyeglasses, of which the followingv is a full, clear, .and exact description.

My invention relates to eyeglasses, and iiicludes features of construction by which the lenses are made adjustable with respect to one another and with respect to the bridge, without disturbing -the position of the nose engaging clips or guards. Forms of `adjustvment for thelenses. have hitherto beenproposed, but have commonly had the 'defect `that adj ustnient. of the lenses with respect to the bridge produced a corresponding displacement of the nose engaging clips or guards, so that in adjusting the glasses to suit the eyes and facial configuration of a patient, the clips were thereby brought out The present invention secures an adjustment ot' the glasses with respect tothe bridge by the use ot' a ductile spiral metallic tastening employed in lieu of the usual posts. The

:ductile nature `of this metallic fastening permits it to be elongated or lcontracted, or displaced laterally or angularly, thereby securing a corresponding adjustment of the lens which is supported bv this form of post.

The invention further consists 'in the features o f construction and combination as hereinafter set forth and claimed.

In the drawings: Figure l is a front elevation of a 'pair of eyeglasses embodying the principles of my invention; Fig. 2 is.a top pr plan view; Fig. 3 is a view of the bridge with its attached osts and the ,lens engaging straps, and F ig. 4 is av sectional view of thesarne taken transversely through the center of the bridge.

Referrin0-to thel drawings in`which like parts are'd'esgnated by the same reference sign, 1 denotes the .bridge and 2 the lenses of a pair ot glasses.

3 denotes nose engaging clips or guardsy which may be pivoted Vor resiliently fixed to the bridge. The only essential characteristic of these clips in their relation to the bridge is that they havev a .connection which is inside of and independent of, the lens supporting posts hereinafter described. In other bridge l if desired.

their relation to the bridge l and the clips 3, whereby the positions oi' the lenses may be The lenses 2 are, however, made adjustable in adjusted to suit the eyes and face contigurav tions of the particular-patient.

i4 denotes posts fixed to thebridge l at points beyond'or outside the locations ofthe attachment of the clips 3. The posts 4 are simply formed of spiral ductile fairly stiff or rigid metal and may be integral with the posts 4 in the form of dat spirals secured at their outer extremities to the bridge and at their inner extremities to the straps 5 which support the lenses. y section of the iiiateiialof these flatl spirals 4 is illustrated as generally rectangular in the'drawines although this is'bviously not essential. 'hese supporting posts 4 are notintended to be resilient and have no spring action whatever. terial and the form of the spirals is such as to getas great rigidity-as possible, consistentwith the various adjustments which are ossible with the diictility ot' the materia It may be mentioned that silver is a suitable ductile material having the necessary rigidity and freedom -from resiliency which is required in these spiral posts 4. The adjustments which may be attained by the foregoing structure are various. For example,- to set the lenses 2 wider apart or more separated, it is merely necessary vto draw the osts 4 outward-into a sort of conical helix. The lenses may be tilted it various angles with respect to the bridge simply making the posts 4 more or less b cllbsely spiraled as the case. map7 demand.v 4The lenses may also be olf-set fr j outward or rearward with respect to the bridge by opening out and flattening the material o9 the spirals 4. For example, the lenses mayY Lbe set far to the rear by uncoiling and flattening out the main portionof the spiral. Of course, the foregoing adjustments can only be made within certain 'prescribed limits, but they are ordinarily suiiicient for the purposes required.

' 1. In a pair of eyeglasses, a bridge, nose engaging clips mounted in a fixed position The nature of the nia-.

I have illustrated the The transverse on 'saidbridgegv spiral posts extending from.

teiial' fixed to 'said vbridgebeyond.orlol-itside lenses fixed"tosai'da posts. 4

` di off .the points of' support of spidelipsya'nd In af 'lair of eyeglasses',ff f.

mounted ori saidbiidge, 'Het sprl'posts kin- .151 y'frc'npat Y points beyond or outsid'e the loog;

and lenses'attachedA `{if} Said sinfdps*v @n f se dips, d glides-esa:

extremities of said' posts. y

111.11m a pirof eyeglasses, a bridge,fcl1ps 'm'ount'e'd on saidjbridgeftf spiral-@posts f' comprisingl material, O rectangular` traiisa 2b verse Section-'fixed to Vsaid* bridgeia't an? out.-l I f side y'coilyolli'tion "ofg-t'hef spirals,rStraps-sei cured to .ian mnerrextremny of the"A spirals In. Wit1'1 essgwhereo*` ture', 1n the presence of tWo'W'itnesses.'t

LB. MEXROWITZ. 

